html{
    background-color: rgb(230, 230, 230);
    font-family: "微软雅黑", Arial, Helvetica, sans-serif;
}

.box{
    display: table;
    margin: 1em;
    padding: 3em 5em;
    background-color: rgb(202, 202, 202);
    box-shadow: 0 0 1px #acacac;
}

.topbar{
    display: flex;
    justify-content: space-between;
    padding-bottom: 0.5em;
    border-bottom: 1px solid rgb(161, 161, 161);
}

.top-bt-box{
    display: flex;
    flex-direction: column;
}

.top-title{
    margin-bottom: 1em;
}

.top-title a{
    font-weight: bold;
    color: #333;
    text-decoration: none;
}

.top-title a:hover{
    text-decoration: underline;
}

.topbt{
    display: flex;
    align-items: center;
}

.topbar button{
    margin-right: 10px;
}

.toptips{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.toptips span{
    display: flex;
    align-items: center;
    font-size: 0.8em;
    margin: 1px;
}

.desk{
    display: flex;
    margin-top: 1em;
}

#border {
    display: flex;
    padding: 1em;
    flex-direction: column;
    background-color: burlywood;
    box-shadow: 1px 1px saddlebrown, 2px 2px saddlebrown, 3px 3px #64420e, 4px 4px 7px #270f02;
}

#border>div{
    display: flex;
}

#border>div>div {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    width: 32px;
    height: 32px;
}

#border>div>div::before{
    position: absolute;
    content: '';
    top: 16px;
    width: 32px;
    border-top: 1px solid sienna;
}

#border>div>div::after{
    position: absolute;
    content: '';
    left: 17px;
    height: 32px;
    border-left: 1px solid sienna;
}

#border>div>div:first-child::before{
    position: absolute;
    content: '';
    left: 17px;
    width: 16px;
    border-top: 1px solid sienna;
}

#border>div>div:last-child::before{
    position: absolute;
    content: '';
    left: 0px;
    width: 17px;
    border-top: 1px solid sienna;
}

#border>div:nth-child(1)>div:after{
    position: absolute;
    content: '';
    top: 16px;
    height: 17px;
    border-left: 1px solid sienna;
}

#border>div:last-child>div:after{
    position: absolute;
    content: '';
    top: 0px;
    height: 17px;
    border-left: 1px solid sienna;
}

#border>div>div>i{
    z-index: 5;
    display: inline-block;
    width: 28px;
    height: 28px;
    border-radius: 14px;
}

#border>div>div:hover i{
    background-color: rgba(49, 33, 13, 0.2);
}

.ai-stone, .man-stone {
    z-index: 3;
    text-align: center;
    display: inline-block;
    width: 28px;
    height: 28px;
    line-height: 28px;
    border-radius: 14px;
}

.ai-stone{
    background-image: -webkit-linear-gradient(top,#777,#000); box-shadow : 1px 1px 1px gray;
}

.man-stone{
    background-image: -webkit-linear-gradient(top,#fff,#ddd); box-shadow : 1px 1px 1px gray;
}

.ai-focus::before{
    content: '+';
    font-weight: bold;
    font-style: normal;
    color: white;
}

.man-focus::after{
    content: '+';
    font-weight: bold;
    font-style: normal;
    color: black;
}

#win-display{
    font-size: 1.2em;
}